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biglouie_underpressure
03-08-05, 11:48 AM
please post your opinions!

ok hear it is..i'm now looking for a good set of heads that can flow about 325 cfm.I don't wan't to really run the 18* bowtie heads because of the 43cc camber(on most). I'm currently looking at a set of Aluminum Brodix heads that flow around 260cfm out of the box reworked 300+ cfm that's not bad vs. the vortechs 227cfm and 280cfm w/max porting.As far as the intake goes it will cost about $250 from rpm to make a vortech style intake bolt up.What i'm looking for is a set of heads that will flow a little better on the intake side but will greatly out flow the vortechs on the exhaust side.

T Man
03-08-05, 12:19 PM
We have Dart Heads on our drag car and they kickass. Im not sure if they build them for your gen of motor

biglouie_underpressure
03-08-05, 06:01 PM
haven't seen dart 90*

ZR1-S10
03-08-05, 07:07 PM
For V8's I like the Dart Pro1 heads. You can get them ported from Dart, they flow 318cfm intake and 230cfm exhaust. They have 227cc intake ports, 85cc exhaust ports, and 66cc cambers. Plus all the right valves and spring and such. You can get them from summit part# DRT-11971143 $2,359.90

biglouie_underpressure
03-08-05, 07:53 PM
yea i've seen them run, they flow well, too bad they don't make 'em for the v6.

OBI WAN
03-08-05, 08:04 PM
http://www.sportmachines.com/magrack/ttsup_8-95.html

For the 4.3 the Vortec head flows dam well if the exhaust side it ported right and the intake will still flow over 250 done right. Those splayed heads are about the best you'll find for the 4.3 and still arent cheap, but see the numbers he has created using them which the Vortec heads will be able to near!!

biglouie_underpressure
03-08-05, 08:57 PM
yeh i found a set of those for $600 used from rpm but the header bolt pattern is different, angle plugs,and i believe are 18* heads also. I'm looking at these:

http://www.brodix.com/2005catalog/17-18.html